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Causality Relations Using Nonlinear Data Assimilation

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Publications

Assimilation of probabilistic flood maps from SAR data into a coupled hydrologic–hydraulic forecasting model: a proof of concept

Author(s): Concetta Di Mauro​​​​​​​, Renaud Hostache, Patrick Matgen, Ramona Pelich, Marco Chini, Peter Jan van Leeuwen, Nancy K. Nichols, Günter Blöschl
Published in: Hydrology and Earth System Sciences, 25/7, 2021, Page(s) 4081-4097, ISSN 1607-7938
Publisher: EGU
DOI: 10.5194/hess-25-4081-2021

A consistent interpretation of the stochastic version of the Ensemble Kalman Filter

Author(s): Peter Jan Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 146/731, 2020, Page(s) 2815-2825, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3819

Ensemble Riemannian data assimilation over the Wasserstein space

Author(s): Sagar K. Tamang, Ardeshir Ebtehaj, Peter J. van Leeuwen, Dongmian Zou, Gilad Lerman
Published in: Nonlinear Processes in Geophysics, 28/3, 2021, Page(s) 295-309, ISSN 1607-7946
Publisher: EGU
DOI: 10.5194/npg-28-295-2021

A particle flow filter for high‐dimensional system applications

Author(s): Chih‐Chi Hu, Peter Jan Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 147/737, 2021, Page(s) 2352-2374, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.4028

Why Do the Maximum Intensities in Modeled Tropical Cyclones Vary Under the Same Environmental Conditions?

Author(s): Dandan Tao, Michael Bell, Richard Rotunno, Peter Jan Leeuwen
Published in: Geophysical Research Letters, 47/3, 2020, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1029/2019gl085980

Non-local Observations and Information Transfer in Data Assimilation

Author(s): Peter Jan van Leeuwen
Published in: Frontiers in Applied Mathematics and Statistics, 5, 2019, ISSN 2297-4687
Publisher: Frontiers in Applied Mathematics and Statistics
DOI: 10.3389/fams.2019.00048

An ensemble framework for time delay synchronization

Author(s): Flavia R. Pinheiro, Peter Jan van Leeuwen, Ulrich Parlitz
Published in: Quarterly Journal of the Royal Meteorological Society, 144/711, 2018, Page(s) 305-316, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3204

State-of-the-art stochastic data assimilation methods for high-dimensional non-Gaussian problems

Author(s): Sanita Vetra-Carvalho, Peter Jan van Leeuwen, Lars Nerger, Alexander Barth, M. Umer Altaf, Pierre Brasseur, Paul Kirchgessner, Jean-Marie Beckers
Published in: Tellus A: Dynamic Meteorology and Oceanography, 70/1, 2018, Page(s) 1445364, ISSN 1600-0870
Publisher: Taylor & Francis
DOI: 10.1080/16000870.2018.1445364

Estimating model error covariances using particle filters

Author(s): Mengbin Zhu, Peter J. van Leeuwen, Weimin Zhang
Published in: Quarterly Journal of the Royal Meteorological Society, 144/713, 2018, Page(s) 1310-1320, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3132

Data Assimilation in the Solar Wind: Challenges and First Results

Author(s): Matthew Lang, Philip Browne, Peter Jan van Leeuwen, Mathew Owens
Published in: Space Weather, 15/11, 2017, Page(s) 1490-1510, ISSN 1542-7390
Publisher: American Geophysical Union
DOI: 10.1002/2017SW001681

A weak-constraint 4DEnsembleVar. Part I: formulation and simple model experiments

Author(s): Javier Amezcua, Michael Goodliff, Peter Jan Van Leeuwen
Published in: Tellus A: Dynamic Meteorology and Oceanography, 69/1, 2017, Page(s) 1271564, ISSN 1600-0870
Publisher: Co-Action Publishing
DOI: 10.1080/16000870.2016.1271564

A weak-constraint 4DEnsembleVar. Part II: experiments with larger models

Author(s): Michael Goodliff, Javier Amezcua, Peter Jan Van Leeuwen
Published in: Tellus A: Dynamic Meteorology and Oceanography, 69/1, 2017, Page(s) 1271565, ISSN 1600-0870
Publisher: Co-Action Publishing
DOI: 10.1080/16000870.2016.1271565

A Revised Implicit Equal-Weights Particle Filter

Author(s): Jacob Skauvold, Jo Eidsvik, Peter Jan van Leeuwen, Javier Amezcua
Published in: Quarterly Journal of the Royal Meteorological Society, 2019, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3506

Time‐correlated model error in the (ensemble) Kalman smoother

Author(s): Javier Amezcua, Peter Jan van Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 144/717, 2018, Page(s) 2650-2665, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3378

Sequential Monte Carlo with kernel embedded mappings: The mapping particle filter

Author(s): M. Pulido and P.J. van Leeuwen
Published in: Journal Of Computational Physics + OA Mirror, 2019, ISSN 0021-9991
Publisher: Academic Press

Efficient nonlinear data assimilation using synchronisation in a particle filter

Author(s): Flavia R. Pinheiro, Peter Jan van Leeuwen, Gernot Geppert
Published in: Quarterly Journal of the Royal Meteorological Society, 2019, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3576

Particle filters for high‐dimensional geoscience applications: A review

Author(s): Peter Jan van Leeuwen, Hans R. Künsch, Lars Nerger, Roland Potthast, Sebastian Reich
Published in: Quarterly Journal of the Royal Meteorological Society, 2019, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3551

A window on the deep ocean: The special value of ocean bottom pressure for monitoring the large-scale, deep-ocean circulation

Author(s): Chris W. Hughes, Joanne Williams, Adam Blaker, Andrew Coward, Vladimir Stepanov
Published in: Progress in Oceanography, 161, 2018, Page(s) 19-46, ISSN 0079-6611
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.pocean.2018.01.011

The Impact of the Processes in the Southern Ocean on ENSO Development

Author(s): V.N. Stepanov
Published in: Earth Sciences, 2019, ISSN 2328-5982
Publisher: SciencePC

Effects of mis‐specified time‐correlated model error in the (ensemble) Kalman Smoother

Author(s): Haonan Ren, Javier Amezcua, Peter Jan Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 147/734, 2021, Page(s) 573-588, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3934

Spectral estimates for saddle point matrices arising in weak constraint four‐dimensional variational data assimilation

Author(s): Ieva Daužickaitė, Amos S. Lawless, Jennifer A. Scott, Peter Jan Leeuwen
Published in: Numerical Linear Algebra with Applications, 27/5, 2020, ISSN 1070-5325
Publisher: John Wiley & Sons Inc.
DOI: 10.1002/nla.2313

Model Error Estimation Using the Expectation Maximization Algorithm and a Particle Flow Filter

Author(s): María Magdalena Lucini, Peter Jan van Leeuwen, Manuel Pulido
Published in: SIAM/ASA Journal on Uncertainty Quantification, 9/2, 2021, Page(s) 681-707, ISSN 2166-2525
Publisher: SIAM
DOI: 10.1137/19m1297300

SEASTAR: A Mission to Study Ocean Submesoscale Dynamics and Small-Scale Atmosphere-Ocean Processes in Coastal, Shelf and Polar Seas

Author(s): Christine Gommenginger, Bertrand Chapron, Andy Hogg, Christian Buckingham, Baylor Fox-Kemper, Leif Eriksson, Francois Soulat, Clément Ubelmann, Francisco Ocampo-Torres, Bruno Buongiorno Nardelli, David Griffin, Paco Lopez-Dekker, Per Knudsen, Ole Andersen, Lars Stenseng, Neil Stapleton, William Perrie, Nelson Violante-Carvalho, Johannes Schulz-Stellenfleth, David Woolf, Jordi Isern-Fontanet, Fabr
Published in: Frontiers in Marine Science, 6, 2019, ISSN 2296-7745
Publisher: Frontiers in marine Science
DOI: 10.3389/fmars.2019.00457

On time‐parallel preconditioning for the state formulation of incremental weak constraint 4D‐Var

Author(s): Ieva Daužickaitė, Amos S. Lawless, Jennifer A. Scott, Peter Jan Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 2021, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.4140

Randomised preconditioning for the forcing formulation of weak‐constraint 4D‐Var

Author(s): Ieva Daužickaitė, Amos S. Lawless, Jennifer A. Scott, Peter Jan Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 2021, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.4151

Massively parallel implicit equal-weights particle filter for ocean drift trajectory forecasting

Author(s): Håvard Heitlo Holm, Martin Lilleeng Sætra, Peter Jan van Leeuwen
Published in: Journal of Computational Physics: X, 6, 2020, Page(s) 100053, ISSN 2590-0552
Publisher: Elsevier
DOI: 10.1016/j.jcpx.2020.100053

Observational Constraints on Warm Cloud Microphysical Processes Using Machine Learning and Optimization Techniques

Author(s): J. Christine Chiu, C. Kevin Yang, Peter Jan van Leeuwen, Graham Feingold, Robert Wood, Yann Blanchard, Fan Mei, Jian Wang
Published in: Geophysical Research Letters, 48/2, 2021, ISSN 0094-8276
Publisher: American Geophysical Union
DOI: 10.1029/2020gl091236

Kernel Embedded Nonlinear Observational Mappings in the Variational Mapping Particle Filter

Author(s): Manuel Pulido, Peter Jan vanLeeuwen, Derek J. Posselt
Published in: Computational Science – ICCS 2019 - 19th International Conference, Faro, Portugal, June 12–14, 2019, Proceedings, Part IV, 11539, 2019, Page(s) 141-155, ISBN 978-3-030-22746-3
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-22747-0_11

Data-Driven Modeling for Wave-Propagation

Author(s): Tristan van Leeuwen, Peter Jan van Leeuwen, Sergiy Zhuk
Published in: Numerical Mathematics and Advanced Applications ENUMATH 2019 - European Conference, Egmond aan Zee, The Netherlands, September 30 - October 4, 139, 2021, Page(s) 683-691, ISBN 978-3-030-55873-4
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-55874-1_67

Editorial

Author(s): Tijana Janjic, Roland Potthast, Peter Jan Van Leeuwen
Published in: Quarterly Journal of the Royal Meteorological Society, 144/713, 2018, Page(s) 1189-1190, ISSN 0035-9009
Publisher: Royal Meteorological Society
DOI: 10.1002/qj.3382